Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In April, the meteorological conditions change with the average high-temperature moving from a wintry 40.3°F (4.6°C) in March to a cool 50°F (10°C). An average low-temperature of 37.9°F (3.3°C) is observed in Milwaukee during the April nights.Humidity
The average relative humidity in April in Milwaukee is 76%.Rainfall
In April, the rain falls for 9.3 days. Throughout April, 0.67" (17mm) of precipitation is accumulated. In Milwaukee, during the entire year, the rain falls for 75.6 days and collects up to 5.83" (148mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Milwaukee aggregates 0.24" (6mm) of snow. In Milwaukee, during the entire year, snow falls for 27.6 days and aggregates up to 3.43" (87mm) of snow.Ocean temperature
In Milwaukee, the average seawater temperature in April is 38.1°F (3.4°C).Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. A specialized swimsuit is required to mitigate thermal damage.
Daylight
The average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:45 am and sunset at 7:52 pm CDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Boost your sun resistance with garments that are densely woven yet spacious. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows in Milwaukee?
What is the water temperature in April?
What is the average length of the day in April in Milwaukee?
When are sunrise and sunset in April?
How many hours of sunshine does Milwaukee have in April?
What is the UV index reading in April?
Average temperature in April
Milwaukee, WI
- Average high temperature in April: 50°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in April
Milwaukee, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Milwaukee, WI
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in April
Milwaukee, WI
- Average humidity in April: 76%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Milwaukee, WI
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are February and December (0.28").
Average rainfall days in April
Milwaukee, WI
- Average rainfall days in April: 9.3 days
The month with the highest number of rainy days is June (9.9 days).
The months with the least rainy days are January and February (1.8 days).
Average snowfall in April
Milwaukee, WI
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Milwaukee, WI
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Milwaukee, WI
- Average sea temperature in April: 38.2°F
The best month for swimming (with the highest average sea temperature) is August (71.9°F).
The coldest month (with the lowest average sea temperature) is February (36°F).
Average daylight in April /
Average sunshine in April
Milwaukee, WI
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Milwaukee, WI
- Average sunshine days in April: 18.6 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (17.3 days).
Average UV index in April
Milwaukee, WI
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Milwaukee, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in April
Milwaukee, WI
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Milwaukee, Wisconsin, USA
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